feat(directiveComponent): create new composable

packages/vuetify/src/composables/directiveComponent.ts

@@ -0,0 +1,89 @@
+import type {
+  AppContext,
+  Component,
+  ComponentPublicInstance,
+  ConcreteComponent,
+  DirectiveBinding,
+  ObjectDirective,
+  VNode,
+} from 'vue'
+import { h, render, resolveComponent } from 'vue'
+
+// Function to render the main component
+const renderComponent = (
+  component: Component,
+  children: VNode[] | string,
+  props: any,
+  appContext: AppContext
+) => {
+  const result = h(component as Component, props, children)
+  result.appContext = appContext
+  return result
+}
+
+// Function to render VLayout component if necessary
+const renderVLayoutComponent = (
+  component: Component,
+  layoutComponent: Component,
+  children: VNode
+) => {
+  // Check if the component has a 'name' prop that includes 'layout'
+  if (
+    (component as ConcreteComponent).props?.name &&
+    ((component as ConcreteComponent).props?.name.source as string).includes(
+      'layout'
+    )
+  ) {
+    // Render the component within VLayout
+    const result = h(layoutComponent, null, {
+      default: () => [children],
+    })
+    // Set the appContext to maintain reactivity
+    result.appContext = children.appContext
+    return result
+  }
+
+  return children
+}
+
+export const useDirectiveComponent = (
+  component: string | Component,
+  props?: any
+): ObjectDirective => {
+  // Resolve the component if it's a string
+  if (typeof component === 'string') {
+    component = resolveComponent(component)
+  }
+
+  // Resolve the VLayout component
+  const VLayout = resolveComponent('VLayout')
+
+  return {
+    mounted (el: HTMLElement, binding: DirectiveBinding) {
+      const { value } = binding
+
+      // Get the children from the props or directive value, or the element's children
+      const children = props.text || value.text || el.innerHTML
+
+      // Render the main component with the children, props, and appContext
+      let element = renderComponent(
+        component as Component,
+        children,
+        { ...props, ...value },
+        (binding.instance as ComponentPublicInstance).$.appContext
+      )
+
+      // Render the component within VLayout if necessary
+      element = renderVLayoutComponent(
+        component as Component,
+        VLayout as Component,
+        element
+      )
+
+      render(element, el)
+    },
+    unmounted (el: HTMLElement) {
+      render(null, el)
+    },
+  }
+}